Answer: 2.66 hours
Step-by-step explanation:
Shawana can paint a fence in 8hours which means in one hour she can paint 1/8 of a fence.
Kevin can paint the same fence in 4 hours, so in one hour he can paint 1/4 of the fence.
Together in 1 hour they can paint 1/8 + 1/4 = 3/8
Total hours for painting is 3/8 or 2.66 hours
Answer:c
Step-by-step explanation:
Area of polygon = (number of sides × length of one side × apothem)/2
Answer:
$1806.06 million
Step-by-step explanation:
-This is a question of proportionality.
We are given that 13.2% is equivalent to $238.4 million in chocolate expenses
-To find the total value of chocolate expenditurerealized, we divide $238.4 million by 13.2%:
Hence, the total amount spent on chocolate is $1806.06 million
Answer: B) 160
<u>Step-by-step explanation:</u>
Since the Standard deviation of 21 bins is 3 bins, then the first 7 bins falls in the first 2.5% edge of the bell curve.
2.5% of 21 times 1000 = (0.025)(21)(1000) = 160
